Biology - College Biology - Physiology - Cardiovascular physiology - Cardiac Physiology Quiz

6 questions. Q1: 'The pacemaker of the heart is ___' (SAN - sinoatrial node). Q2: 'The QRS complex on an ECG represents ___' (Ventricular depolarization/contraction). Q3: 'Cardiac output equals ___' (Heart rate × Stroke volume). Q4: 'Normal blood pressure is approximately ___' (120/80 mmHg). Q5: 'Th